UPSHAW, T. A. -A-

Oil · District 7B · Lease #4434

Operator: MIDPAR L.P.

Fields: UPSHAW (CANYON)

Cum Oil

85k BBL

Cum Gas

98k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-07

Production History

Cum Oil: 84,890 BBL Cum Gas: 97,986 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

723 BBL/mo

Di (annual)

19.3%

b-factor

0.8

EUR

93,803 BBL

R-squared

0.941

type

hyperbolic

Operator History (from monthly production reports)

2002-04 — 2026-07 MATHIS & SONS, INC. 292 mo

1995-01 — 2002-03 MERIT ENERGY COMPANY 87 mo

1993-11 — 1994-12 MIDPAR L.P. 14 mo

1993-01 — 1993-10 GRAHAM ROYALTY, LTD. 10 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-433-31008	MATHIS & SONS, INC.	1	5,000	1980-07-14